/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var zrUtil = require("static/plugins/js/zrender/lib/core/util");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
function dataToCoordSize(dataSize, dataItem) {
    // dataItem is necessary in log axis.
    return zrUtil.map(
        ["Radius", "Angle"],
        function (dim, dimIdx) {
            var axis = this["get" + dim + "Axis"]();
            var val = dataItem[dimIdx];
            var halfSize = dataSize[dimIdx] / 2;
            var method = "dataTo" + dim;
            var result =
                axis.type === "category"
                    ? axis.getBandWidth()
                    : Math.abs(
                          axis[method](val - halfSize) -
                              axis[method](val + halfSize)
                      );

            if (dim === "Angle") {
                result = (result * Math.PI) / 180;
            }

            return result;
        },
        this
    );
}

function _default(coordSys) {
    var radiusAxis = coordSys.getRadiusAxis();
    var angleAxis = coordSys.getAngleAxis();
    var radius = radiusAxis.getExtent();
    radius[0] > radius[1] && radius.reverse();
    return {
        coordSys: {
            type: "polar",
            cx: coordSys.cx,
            cy: coordSys.cy,
            r: radius[1],
            r0: radius[0],
        },
        api: {
            coord: zrUtil.bind(function (data) {
                var radius = radiusAxis.dataToRadius(data[0]);
                var angle = angleAxis.dataToAngle(data[1]);
                var coord = coordSys.coordToPoint([radius, angle]);
                coord.push(radius, (angle * Math.PI) / 180);
                return coord;
            }),
            size: zrUtil.bind(dataToCoordSize, coordSys),
        },
    };
}

module.exports = _default;
